package org.kuali.student.r1.common.assembly.util.spring;
   
   import org.aspectj.lang.ProceedingJoinPoint;
   import org.kuali.student.r1.common.assembly.data.Metadata;
   import org.kuali.student.common.util.spring.MethodArgsToObjectEhcacheAdvice;
   
   public class MetadataMethodEhcacheAdvice extends MethodArgsToObjectEhcacheAdvice {
   
   	@Override
  	public Object getFromCache(ProceedingJoinPoint pjp) throws Throwable {
  		try{
  			//Return a copy so that if the data is mutated the original remains
  			Metadata result = (Metadata) super.getFromCache(pjp);
  			return new Metadata(result);
  		}catch(ClassCastException e){
  			throw new RuntimeException("This cache should only be used on methods that return Metadata", e);
  		}
  	}
  
  	
  }